The only sure way to avoid transmitting fetal alcohol sydrome is to avoid alcohol during pregnancy. Non-pregnant woman trying to concieve should not consume alcohol. The statistics are not very good for sobriaty during pregnancy however.
1.9% of pregnant woman in 2005 reported to binge drinking in the past 30 days
757,000 out of 4,058,000 woman drank while pregnant in 2010
Preventability
The only sure way to avoid transmitting fetal alcohol sydrome is to avoid alcohol during pregnancy. Non-pregnant woman trying to concieve should not consume alcohol. The statistics are not very good for sobriaty during pregnancy however.